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Published on: May 9, 2025
Ombitasvir/paritaprevir/ritonavir and dasabuvir tablets for hepatitis C virus genotype 1 infection
Olga M Klibanov1, Stormi E Gale2, Barbara Santevecchi2
1Wingate University School of Pharmacy, Wingate, NC, USA o.klibanov@wingate.edu.
Objective:
To review the data with ombitasvir/paritaprevir/ritonavir and dasabuvir for the treatment of chronic hepatitis C virus (HCV) genotype 1 infection.
Data Sources:
Phase I, II, and III trials and review articles were identified through MEDLINE (1996-January 2015) and PubMed (1996-January 2015), conference abstracts, and US national clinical trials registry, using the keywords NS3/4A protease inhibitor, NS5A inhibitor, NS5B polymerase inhibitor, ABT-450, ABT-267, ABT-333, paritaprevir, ombitasvir, and dasabuvir.
Study Selection And Data Extraction:
Preclinical, phase I, II, and III studies describing pharmacology, pharmacokinetics, efficacy, safety, and tolerability were identified.
Data Synthesis:
Noncirrhotic patients with HCV genotype 1b experienced sustained virological response 12 weeks after completion of therapy (SVR12) rates of 96% to 100% when ombitasvir/paritaprevir/ritonavir and dasabuvir were administered for 12 weeks, regardless of inclusion of ribavirin. SVR12 rates of 95% to 97% were seen in noncirrhotic patients with HCV genotype 1a infection who received ombitasvir/paritaprevir/ritonavir and dasabuvir with ribavirin for 12 weeks. Patients with Child-Pugh Class A cirrhosis also experienced high SVR12 rates (91.8%) when ombitasvir/paritaprevir/ritonavir and dasabuvir were administered with ribavirin for 12 weeks. Cirrhotic patients with HCV genotype 1a and a history of prior null response to peginterferon/ribavirin have higher SVR12 rates when ombitasvir/paritaprevir/ritonavir and dasabuvir and ribavirin are administered for 24 instead of 12 weeks (94.2% vs 88.6%). Adverse events are typically mild, most commonly consisting of fatigue, headache, nausea, and diarrhea.
Conclusion:
The regimen consisting of ombitasvir/paritaprevir/ritonavir and dasabuvir is highly efficacious in the treatment of HCV genotype 1 infection, with minimal adverse events. It is expected to play an important role in the armamentarium of novel agents that have a high chance of curing HCV infection.
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